Added Serbian Cyrillic, Serbian Latin and Croatian, thanks Zsolt!
Don't bump installation version yet
updated translation resources
Fixed permissions of unit tests
cc-5747 Replaygain: doesnt work for aac tracks
Merge branch '2.5.x-serbian-croatian' of https://github.com/danielhjames/Airtime into 2.5.x

Conflicts:
	airtime_mvc/locale/hr_HR/LC_MESSAGES/airtime.mo
	airtime_mvc/locale/hr_HR/LC_MESSAGES/airtime.po
	airtime_mvc/locale/hu_HU/LC_MESSAGES/airtime.mo
	airtime_mvc/locale/hu_HU/LC_MESSAGES/airtime.po
	airtime_mvc/locale/sr_RS/LC_MESSAGES/airtime.mo
	airtime_mvc/locale/sr_RS/LC_MESSAGES/airtime.po
	airtime_mvc/locale/sr_RS@latin/LC_MESSAGES/airtime.mo
	airtime_mvc/locale/sr_RS@latin/LC_MESSAGES/airtime.po
updated translation resources
updated translation resources
updated translation resources
updated translation resources
updated translation resources
updated translation resources
updated translation resources
updated translation resources
updated translation resources
Merge branch '2.5.x' into 2.6.x